ASP.NET----使用XmlDocument读写节点属性

上篇文章中提到XML转换问题，有些朋友颇有疑问，后期答复详解，这次带来使用XmlDocument读写节点属性

  
    

   
     using
   
      System;

   
     using
   
      System.Xml;

   
     namespace
   
      NET.MST.Tenth.UseXmlDocument
{
 
   
     partial
   
      
   
     class
   
      UseXmlDocument
 {
 
   
     static
   
      
   
     void
   
      Main(
   
     string
   
     [] args)
 {
 String path 
   
     =
   
      
   
     "
   
     ..\\..\\Test.xml
   
     "
   
     ;
 XmlDocument xml 
   
     =
   
      
   
     new
   
      XmlDocument();
 xml.Load(path);
 Console.WriteLine(
   
     "
   
     原先的XML文档是：
   
     "
   
     );
 PringDocument(xml);
 Console.WriteLine(
   
     "
   
     新建了节点之后：
   
     "
   
     );
 AddNode(xml);
 PringDocument(xml);
 Console.WriteLine(
   
     "
   
     修改了节点之后：
   
     "
   
     );
 EditNode(xml);
 PringDocument(xml);
 Console.WriteLine(
   
     "
   
     删除了节点之后：
   
     "
   
     );
 DeleteNode(xml);
 PringDocument(xml);
 Console.Read();
 }
 
   
     ///
   
      
   
     <summary>
   
     
 
   
     ///
   
      格式化输出XML文档
 
   
     ///
   
      
   
     </summary>
   
     
 
   
     ///
   
      
   
     <param name="xml">
   
     需要显示的文档
   
     </param>
   
     

   
      
   
     static
   
      
   
     void
   
      PringDocument(XmlDocument xml)
 {
 xml.Save(Console.Out);
 Console.Write(
   
     "
   
     \r\n
   
     "
   
     );
 }
 }
 
   
     partial
   
      
   
     class
   
      UseXmlDocument
 {
 
   
     ///
   
      
   
     <summary>
   
     
 
   
     ///
   
      删除最后一个Book节点
 
   
     ///
   
      
   
     </summary>
   
     
 
   
     ///
   
      
   
     <param name="xml"></param>
   
     

   
      
   
     static
   
      
   
     void
   
      DeleteNode(XmlDocument xml)
 {
 XmlNode node 
   
     =
   
      xml.DocumentElement;
 XmlNode remove 
   
     =
   
      node.ChildNodes[node.ChildNodes.Count 
   
     -
   
      
   
     1
   
     ];
 remove.Attributes.RemoveAt(
   
     0
   
     );
 node.RemoveChild(remove);
 }
 }
 
   
     partial
   
      
   
     class
   
      UseXmlDocument
 {
 
   
     ///
   
      
   
     <summary>
   
     
 
   
     ///
   
      修改最后一个Book节点的节点值和属性
 
   
     ///
   
      
   
     </summary>
   
     
 
   
     ///
   
      
   
     <param name="xml"></param>
   
     

   
      
   
     static
   
      
   
     void
   
      EditNode(XmlDocument xml)
 {
 XmlNode node 
   
     =
   
      xml.DocumentElement;
 XmlNode editnode 
   
     =
   
      node.ChildNodes[node.ChildNodes.Count 
   
     -
   
      
   
     1
   
     ];
 editnode.Attributes[
   
     "
   
     name
   
     "
   
     ].Value 
   
     =
   
      
   
     "
   
     book4
   
     "
   
     ;
 editnode.SelectSingleNode(
   
     "
   
     Auth
   
     "
   
     ).InnerText 
   
     =
   
      
   
     "
   
     z4
   
     "
   
     ;
 editnode.SelectSingleNode(
   
     "
   
     Date
   
     "
   
     ).InnerText 
   
     =
   
      
   
     "
   
     2008-1-4
   
     "
   
     ;
 }
 }
 
   
     partial
   
      
   
     class
   
      UseXmlDocument
 {
 
   
     ///
   
      
   
     <summary>
   
     
 
   
     ///
   
      增加节点、属性
 
   
     ///
   
      
   
     </summary>
   
     
 
   
     ///
   
      
   
     <param name="xml">
   
     被操作的XML文档
   
     </param>
   
     

   
      
   
     static
   
      
   
     void
   
      AddNode(XmlDocument xml)
 {
 
   
     //
   
     新建新Book节点
   
     

   
      XmlNode newnode 
   
     =
   
      xml.CreateElement(
   
     "
   
     Book
   
     "
   
     );
 
   
     //
   
     新建name节点
   
     

   
      XmlAttribute newattribute 
   
     =
   
      xml.CreateAttribute(
   
     "
   
     name
   
     "
   
     );
 newattribute.Value 
   
     =
   
      
   
     "
   
     book3
   
     "
   
     ;
 newnode.Attributes.Append((XmlAttribute)newattribute);
 
   
     //
   
     新建Auth节点
   
     

   
      XmlNode auth 
   
     =
   
      xml.CreateElement(
   
     "
   
     Auth
   
     "
   
     );
 auth.InnerText 
   
     =
   
      
   
     "
   
     z3
   
     "
   
     ;
 
   
     //
   
     新建Date节点
   
     

   
      XmlNode date 
   
     =
   
      xml.CreateElement(
   
     "
   
     Date
   
     "
   
     );
 date.InnerText 
   
     =
   
      
   
     "
   
     2008-1-3
   
     "
   
     ;
 
   
     //
   
     添加所有新建的节点和属性
   
     

   
      newnode.AppendChild(auth);
 newnode.AppendChild(date);
 xml.DocumentElement.AppendChild(newnode);
 }
 }
}